Datasheet

REV. A
–2–
DAC8408
ELECTRICAL CHARACTERISTICS
(@ V
DD
= +5 V; V
REF
= 610 V; V
OUT
A, B, C, D = 0 V; T
A
= –558C to +1258C apply for
DAC8408AT/BT, T
A
= –408C to +858C apply for DAC8408ET/FT/FP/FPC/FS; T
A
= 08C to +708C apply for DAC8408GP, unless otherwise noted.
Specifications apply for DAC A, B, C, & D.)
DAC8408
Parameter Symbol Conditions Min Typ Max Units
STATIC ACCURACY
Resolution N 8 Bits
Nonlinearity
1, 2
INL DAC8408A/E/G ±1/4 LSB
DAC8408B/F/H ±1/2 LSB
Differential DNL DAC8408A/E/G ±1/2 LSB
Nonlinearity DAC8408B/F/H ±1 LSB
Gain Error G
FSE
(Using Internal R
FB
) ±1 LSB
Gain Tempco
3, 6
TC
GFS
±2 ±40 ppm/°C
Power Supply Rejection
(∆V
DD
= ±10%) PSR 0.001 %FSR/%
I
OUT 1A
,
B
,
C
,
D
Leakage Current
13
I
LKG
T
A
=+25°C ±30 nA
T
A
= Full Temperature Range ±100 nA
REFERENCE INPUT
Input Voltage Range ±20 V
Input Resistance Match
4
R
A, B, C, D
±1%
Input Resistance R
IN
6 1014kΩ
DIGITAL INPUTS
Digital Input Low V
IL
0.8 V
Digital Input High V
IH
2.4 V
Input Current
5
T
A
= +25°C ±0.01 ±1.0 µA
I
IN
T
A
= Full Temperature Range ±10.0 µA
Input Capacitance
6
C
IN
8pF
DATA BUS OUTPUTS
Digital Output Low V
OL
16 mA Sink 0.4 V
Digital Output High V
OH
400 µA Source 4 V
Output Leakage Current I
LKG
T
A
= +25°C ±0.005 ±1.0 µA
T
A
= Full Temperature Range ±0.075 ±10.0 µA
DAC OUTPUTS
6
Propagation Delay
7
t
PD
150 180 ns
Settling Time
11,12
t
S
190 250 ns
Output Capacitance C
OUT
DAC Latches All “0s” 30 pF
DAC Latches All “1s” 50 pF
AC Feedthrough FT (20 V
p-p
@ F = 100 kHz) 54 dB
SWITCHING CHARACTERISTICS
6, 10
Write to Data Strobe Time t
DS1
or T
A
= +25°C90 ns
t
DS2
T
A
= Full Temperature Range 145 ns
Data Valid to Strobe Set-Up Time t
DSU
T
A
= +25°C 150 ns
T
A
= Full Temperature Range 175 ns
Data Valid to Strobe Hold Time t
DH
10 ns
DAC Select to Strobe Set-Up Time t
AS
0ns
DAC Select to Strobe Hold Time t
AH
0ns
Write Select to Strobe Set-Up Time t
WSU
0ns
Write Select to Strobe Hold Time t
WH
0ns
Read to Data Strobe Width t
RDS
T
A
= +25°C 220 ns
T
A
= Full Temperature Range 350 ns
Data Strobe to Output Valid Time t
CO
T
A
= +25°C 320 ns
T
A
= Full Temperature Range 430 ns
Output Data to Deselect Time t
OTD
T
A
= +25°C 200 ns
T
A
= Full Temperature Range 270 ns
Read Select to Strobe Set-Up Time t
RSU
0ns
Read Select to Strobe Hold Time t
RH
0ns
Specifications subject to change without notice.